US Patent 7370589 Systems and methods for fluid dispensing

Systems and methods are disclosed for dispensing fluids. The systems can include a sensor operable to detect when an object passes a first location as the object moves to a second location. The systems can also include a fluid dispenser operable to dispense fluid at the second location. In addition, the systems can include a control unit in communication with the sensor and the fluid dispenser. The control unit can receive information from the sensor that the object has passed the first location and to control the fluid dispenser to dispense fluid at the second location at a predetermined time after the object passes the first location.